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Finding the Fourth Proportional to 52,955, 73,077.63 and 28,755.75

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Solution

The fourth proportional to 52,955, 73,077.63 and 28,755.75 is: 39,682.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,955 : 73,077.63 = 28,755.75 : x
  2. Step 2: Convert to fraction form
    52,955/73,077.63 = 28,755.75/x
  3. Step 3: Cross multiply
    52,955x = 73,077.63 × 28,755.75
  4. Step 4: Simplify right side
    52,955x = 2,101,402,058.87
  5. Step 5: Solve for x
    x = 2,101,402,058.87/52,955
  6. Step 6: Final answer
    x = 39,682.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.